JP2004182027A - Air bag device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air bag device capable of rapidly pushing and opening a garnish for covering a folded air bag concerning a curtain air bag for covering a window of an automobile. <P>SOLUTION: The air bag 1 folded into a slender shape is covered by a metal bracket 33. The end of the bracket 33 is connected to an inner panel 13a of a C pillar 13. A portion near the end of the garnish 23 for covering the inner panel 13a is connected to the inner panel 13a, and a boss-shaped abutting and receiving part 57 is protrudingly provided on the garnish 23 toward the bracket 33. When the air bag 1 is expanded, the bracket 33 is rapidly rotated. At the same time, a force is applied to the bracket 33 from the abutting and receiving part 57, the bracket 33 is rotated, and a projection opening for the air bag 1 can be secured. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to, for example, an airbag that protects an occupant in the event of an automobile collision.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a so-called curtain airbag that deploys along a window on a side of an automobile has been known. Such a curtain airbag is disposed to be elongated and folded along a roof side rail of a car body, and is covered and stored by a pillar garnish, etc., and when a sensor is activated in the event of a side collision of the car, etc. The gas is introduced and expanded, and the pillar garnish is pushed open to expand.
[0003]
In this regard, there is known a configuration in which the pillar garnish is moved at the time of inflation and deployment of the airbag to secure a large opening between the pillar garnish and a panel of the vehicle body (for example, see Patent Document 1). . In this configuration, the pillar garnish is attached to the panel of the vehicle body by a detachable clip, a recess is formed on the back surface of the pillar garnish, and a bolt inserted into a long hole-shaped slit formed in the recess is provided. Is connected to the panel of the vehicle body. Therefore, in this configuration, when the airbag is inflated and deployed, the pillar garnish is pressed against the airbag, the clip comes off, and the pillar garnish moves along the bolt axis toward the passenger compartment, and further in the direction of the slit. It is intended to move along and rotate to secure a large opening.
[0004]
By the way, in such a curtain airbag, depending on the shape and the like of the pillar garnish, a space partially exists between the folded and stored airbag and the pillar garnish. For this reason, for example, in the above configuration, there is a slight, but temporal lag from the start of the inflation and deployment of the airbag until the pillar garnish is pressed and starts moving toward the passenger compartment along the axis of the bolt. Can occur.
[0005]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 2002-21345 (page 4, FIG. 1, FIG. 3, FIG. 4)
[0006]
[Problems to be solved by the invention]
Generally, in the case of a curtain airbag, when the sensor is activated, the airbag jumps out of the pillar garnish into the cabin in about 10 milliseconds, but without a significant change in the airbag device, the extremely short time of about 10 milliseconds is required. There is a need for a configuration that can be further shortened.
[0007]
The present invention has been made in view of such a point, and an object of the present invention is to provide an airbag device that can push open a cover covering an airbag.
[0008]
[Means for Solving the Problems]
The airbag device according to claim 1, wherein the airbag device is folded and housed, into which gas is introduced and inflates and deploys along a predetermined surface, and a cover body having a main body that removably covers the airbag; A pressure receiving means is provided between the folded airbag and the main body of the covering body, and is located close to and opposed to the airbag.
[0009]
In this configuration, even when the airbag and the cover are separated from each other, when the folded airbag starts to inflate, the pressing force due to the inflation is applied to the main body of the cover via the pressure receiving means. The main body is moved quickly to secure the protrusion of the airbag, and the airbag is quickly deployed along a predetermined surface.
[0010]
An airbag device according to a second aspect is the airbag device according to the first aspect, wherein the airbag is mounted on the vehicle body so as to be deployable, and the main body of the cover is rotatably mounted on the vehicle body, and a predetermined surface is provided. Is the interior of the cabin.
[0011]
In this configuration, when the folded airbag starts to inflate, the pressing force due to the inflation is quickly transmitted to the main body of the covering body via the press receiving means, and the main body is rotated, so that the airbag is turned on. The spout is secured quickly and the airbag deploys quickly along the inside of the cabin.
[0012]
The airbag device according to a third aspect of the present invention is the airbag device according to the first or the second aspect, wherein the pressure receiving means is provided with a contact surface portion that abuts on the folded airbag and covers the airbag in a releasable manner. And a contact receiving portion projecting from the main body of the covering body and facing the bracket.
[0013]
In this configuration, since the pressing force due to the inflation of the airbag is transmitted to the cover through the bracket, it is not necessary to secure the strength of the bracket more than necessary, and the manufacturing cost is reduced. In addition, regardless of the shape of the covering, the airbag is guided by the bracket, and the degree of freedom in designing the covering increases.
[0014]
An airbag device according to a fourth aspect is the airbag device according to the first or second aspect, wherein the pressing receiving means is in contact with the folded airbag and covers the airbag in a releasable manner, and a cover. And a bracket provided with a contact receiving portion facing the main body.
[0015]
In this configuration, since the pressing force due to the inflation of the airbag is transmitted to the cover through the bracket, it is not necessary to secure the strength of the bracket more than necessary, and the manufacturing cost is reduced. In addition, regardless of the shape of the covering, the airbag is guided by the bracket, and the degree of freedom in designing the covering increases. Further, the shape of the cover can be simplified, and the quality can be easily improved.
[0016]
The airbag device according to a fifth aspect is the airbag device according to any one of the first to fourth aspects, wherein the pressure receiving unit is configured to contact the folded airbag with a contact surface that covers the airbag in a releasable manner. The bracket includes a bracket attachment portion and a guide surface portion attached to the vehicle body. When the airbag is deployed, the bracket rotates about the bracket attachment portion as a substantially fulcrum, and the guide surface portion is substantially On the extension, the main body edge, which is the free end of the main body of the rotated cover, is located.
[0017]
In this configuration, since the pressing force due to the inflation of the airbag is transmitted to the cover through the bracket, it is not necessary to secure the strength of the bracket more than necessary, and the manufacturing cost is reduced. In addition, regardless of the shape of the covering, the airbag is guided by the bracket, and the degree of freedom in designing the covering increases. Further, when the airbag is deployed, the bracket rotates about the bracket mounting portion substantially as a fulcrum, and the body edge, which is the free end of the body portion of the rotated cover, is positioned on the substantially extended guide surface. As a result, the airbag is smoothly deployed without interfering with the cover.
[0018]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of an airbag device of the present invention will be described with reference to the drawings.
[0019]
1 to 5, reference numeral 1 denotes an airbag, and an airbag device 2 including the airbag 1 is disposed on a roof side portion 5 of a vehicle compartment 4 of an automobile 3 as a vehicle. The airbag 1 is also called a curtain airbag, a side collision airbag, a side airbag, an inflatable curtain type, or a head protection airbag. It is deployed in a plane on the side of the occupant to protect the occupant, which is an object to be protected.
[0020]
The vehicle 3 also includes a front seat and a rear seat in which a passenger can sit in a vehicle compartment 4, and corresponding to the front seat and the rear seat, a window portion that defines a predetermined surface that can be opened at an upper portion. A door 9 having a side window 8 is provided. A pillar 11, a B pillar 12, and a C pillar 13 are provided on both sides of the passenger compartment 4 in order from the front side, and a roof side rail 14 is provided above the pillars 11, 12, and 13. A ceiling panel (roof panel) 15 is supported via side rails 14. Further, each of the pillars 11, 12, 13 and the roof side rail 14 are provided with inner panels 11a, 12a, 13a, 14a, which are parts to be mounted and constitute a vehicle body, located on the side of the cabin 4, and furthermore, Garnishes (pillar garnishes) 21, 22, 23, and 24, which are covering bodies and interior materials for vehicles, are attached so as to cover the panels 11a, 12a, 13a, and 14a. A headlining 25, which is a soft or deformable ceiling plate, is attached to a portion between the ceiling panel 15 and the roof side rail 14 on the vehicle cabin 4 side. Further, at a position where the lower part of the garnish 24 of the roof side rail 14 and the upper part of each door 9 abut, a welt 27 which is a packing body to which the doors 9 are in close contact is attached. Further, each seat is provided with a seat belt, and the B pillar 12 is provided with a support portion 28 for supporting the seat belt.
[0021]
The airbag device 2 is a so-called front and rear seat airbag that can protect the occupants of the front and rear seats, and includes the A pillar 11, the roof side rail 14, and the inner panels 11a, 14a, 13a of the C pillar 13 and the garnish. An airbag 1 which is elongated and stored in a roof side part 5 surrounded by 21, 24, 23, etc .; an inflator 31 which is stored in a C pillar 13 or the like and supplies gas to the airbag 1; It includes a tubular covering member (not shown) that covers the bag 1 and retains its shape, and is attached to the inner panels 11a, 14a, and 13a using brackets 32 and 33 that constitute pressure receiving means.
[0022]
The airbag 1 includes an airbag body 35 formed into a flat bag shape by combining one or a plurality of base cloths. The front end of the airbag body 35 has an A-pillar 11 at the front end. A tension strap 36, which is a solid string-like base cloth, is attached. The airbag body 35 has a bag-shaped inflatable portion 37 into which gas flows and inflates and deploys, and a gas inlet 38 located at the upper rear end of the airbag body 35 and communicating the inflatable portion 37 to the outside. It has. Further, the inflating portion 37 is provided with a communicating portion 37a located above a central portion in the longitudinal direction which is the front-rear direction of the airbag body 35, and a front seat protecting portion (front seat protecting area) communicating with the front side of the communicating portion 37a. And a rear seat expansion chamber 37c which is a rear seat protection section (rear seat protection area) communicating with the rear side of the communication section 37a. In the present embodiment, each of the expansion chambers 37b and 37c is composed of a plurality of compartments. As shown in FIG. 4, a plurality of attachment pieces 39 as attachment parts are formed at predetermined intervals at the upper edge of the airbag body 35, and a through hole 40 is formed in each of the attachment pieces 39. I have.
[0023]
The airbag 1 is housed between the inner panels 14a, 13a and the brackets 32, 33 in a state where the airbag 1 is elongated and folded in an appropriate shape such as a bellows shape or a roll shape. Are connected to the inner panels 14a, 13a by inserting the bolts 42, 43, which are attachment means for fixing them to the inner panels 14a, 13a, into the through holes 40 and fastening them together.
[0024]
The brackets 32 and 33 are formed integrally by pressing a metal plate that is easily plastically deformed, such as iron or aluminum, and cover the folded airbag 1. And a plurality of bracket mounting portions 45 protrudingly provided at one end of the bracket. On the inner surface side of the bracket main body portion 44, that is, on the inner panel 14a, 13a side, there is provided a contact surface portion 46 that comes into contact with the folded airbag 1 or that faces the airbag 1 at a small interval. Further, on the inner surface side of the bracket main body portion 44, for example, the bracket main body portion 44 is bent in a crank shape at the other end side opposite to the bracket mounting portion 45, and a guide surface portion 47 is formed at a predetermined angle. Is formed.
[0025]
Also, the bracket body 44 is machined on the outer surface side of the contact surface 46 of the bracket body 44 of the C pillar 13 and on the tip end of the bracket body 44 of the roof side rail 14 so that the opposing receiving portions 48, 49 are formed. In the present embodiment, the opposed receiving portion 48 of the C pillar 13 is formed in a circular shape so as to be relatively concave by forming a ridge projecting outward on the outer surface side in an annular shape. The opposed receiving portion 49 of the roof side rail 14 is formed in a flat plate shape with the bracket main body portion 44 extended. The brackets 32, 33 are connected to the inner panels 14a, 13a by screwing bolts 42, 43 inserted into through holes 45a formed in the bracket mounting portion 45 to the inner panels 14a, 13a.
[0026]
On the other hand, the garnishes 24 and 23 of the roof side rail 14 and the C pillar 13 include a main body 51 integrally formed of, for example, a synthetic resin, and the main body 51 couples the inner panels 14 a and 13 a and the brackets 32 and 33 to the vehicle interior. It is provided so as to cover from the four sides. Further, in the vicinity of one end of the main body 51, a plurality of mounting portions 53 serving as mounting seat surfaces are provided so as to protrude toward the inner surface side, and the mounting portions 53 are fixed by using a metal clip 55 or the like as a fixture. It is connected to the inner panels 14a and 13a in a state where it is prevented from falling off. In the vicinity of the other end of the main body 51, contact receiving portions 57 and 58 are formed in alignment with the opposing receiving portions 48 and 49 of the brackets 33 and 32. The contact receiving portion 57 of the C pillar 13 has a cylindrical boss shape integrally projecting from the main body portion 51, and has a tip portion abutting the opposing receiving portion 48 or opposing at a slight interval. The contact receiving portion 58 of the roof side rail 14 has a plate-like or rib-like shape integrally protruded from the front end of the main body 51, and the front end comes into contact with the facing receiving portion 49 or through a slight interval. They are facing each other.
[0027]
Next, the operation when the airbag 1 is deployed will be described.
[0028]
The airbag device 2 activates the inflator 31 by a control device (not shown) at the time of a side collision of the automobile 3 or the like, and gas injected from the inflator 31 is introduced into the airbag main body 35 from a gas inlet 38 and expanded. The part 37 is inflated. Then, the airbag 1 immediately pushes the brackets 32 and 33 toward the vehicle compartment 4 as shown by a two-dot chain line in FIG. Then, the brackets 32 and 33 quickly protrude downward from the roof side portion 5 while deforming the head lining 25 and the like, and the airbag 1 is inflated and deployed, covering the front and rear windows 8 in a curtain shape, and It is deployed to protect the head and chest of each passenger in the rear seat. The garnishes 24 and 23 are pushed through the opposed receiving portions 49 and 48 and the contact receiving portions 58 and 57. Here, the garnishes 24 and 23 are deformed so as to rotate about the mounting portion 53 as a fulcrum, and the garnishes 24 and 23 are disposed between the body edge portion 60, which is the tip of the body portion 51, and the inner panels 14a and 13a. The space which is the projecting opening of is secured.
[0029]
Further, in this state, the main body edge portion 60 is located on an extension of the guide surface portion 47.
[0030]
As described above, according to the present embodiment, the airbag 1 is deployed without any significant change of the airbag device 2 and, at the same time, the opposed receiving portions 49 and 48 and the contact receiving portions 58 and 57 are received from the brackets 32 and 33. The garnishes 24 and 23 can be pushed and rotated through the airbag 1 to quickly secure the protruding opening of the airbag 1 and smoothly deploy the airbag 1 along the window 8 into the vehicle interior 4. .
[0031]
Since the brackets 32 and 33 have one end or the vicinity of the one end connected to the inner panels 14a and 13a, the other end serving as the action point is largely moved around the one end as a center of rotation to reduce the pressing force to the garnish 24. , 23, and the garnishes 24, 23 are also connected at one end or in the vicinity of one end to the inner panels 14a, 13a. The protrusion of the airbag 1 can be secured by largely moving.
[0032]
In addition, the contact receiving portions 58 and 57 are provided between the contact surface portions 46 of the brackets 32 and 33 arranged to contact the airbag 1 and the main body portion 51 of the garnishes 24 and 23. Even when the garnishes 24 and 23 are separated from each other, the garnishes 24 and 23 can be surely moved without delay when the airbag 1 is deployed.
[0033]
Furthermore, since the load that the airbag 1 deploys is transmitted indirectly to the garnishes 24 and 23 via brackets 32 and 33 made of metal or the like, it is necessary to increase the strength of the garnishes 24 and 23 made of resin or the like more than necessary. And manufacturing costs can be reduced.
[0034]
In addition, since the brackets 32 and 33 are provided so as to be in contact with the airbag 1, the airbag 1 is deployed along the guide surface portion 47 of the turned brackets 32 and 33, and the deployment direction of the airbag 1 is easily and reliably determined. Can control. In particular, when the main body edge 60 of the garnishes 24 and 23 is positioned on an extension of the guide surface 47 of the brackets 32 and 33 in a state where the airbag 1 is deployed, the airbag 1 interferes with the garnishes 24 and 23. It can be deployed smoothly without the need.
[0035]
Further, with respect to the portion of the C pillar 13, the opposed receiving portion 48 facing the boss-shaped contact receiving portion 57 is surrounded by a ridge, and a relative concave portion that engages with the contact receiving portion 57, which is a projection, is formed. Due to the formation, the turning operation of the bracket 32 can be reliably transmitted to the opposed receiving portion 48.
[0036]
For the roof side rail 14, a rib-shaped contact receiving portion 58 is formed along the inner surface of the curved surface of the distal end of the main body 51, and the opposed receiving portion 49 is simply provided at the distal end of the bracket 32. Since it is provided extending, the structure can be simplified and the manufacturing cost can be reduced.
[0037]
Further, the boss-shaped or rib-shaped contact receiving portions 58, 57 are formed integrally with the main body 51 of the garnishes 24, 23 made of synthetic resin, so that the structure can be simplified and the manufacturing cost can be reduced.
[0038]
In the above embodiment, the contact receiving portion 57 has a boss shape for the C pillar 13 and the rib receiving portion 58 has a rib shape for the roof side rail 14. However, the present invention is not limited to this configuration. Instead, the pillars 11, 12, and 13 and the roof side rail 14 can have an appropriate configuration. Further, in each of the above embodiments, the boss-shaped contact receiving portions 58 and 57 are integrally provided on the garnish 24 and 23 sides, but the present invention is not limited to this configuration. May be formed integrally with the bracket side, instead of being formed by projecting, for example, the garnish side.
[0039]
For example, as shown in FIG. 6, for the portion of the C pillar 13, the distal end portion of the bracket main body portion 44 of the bracket 33 is extended in a flat plate shape to form the opposed receiving portion 48 a and the main body portion 51 of the garnish 23. A rib-shaped contact receiving portion 57a contacting the opposing receiving portion 48a can be formed along the inner surface of the curved surface at the tip end portion.
[0040]
Also, for example, as shown in FIG. 6, the distal end portion of the guide surface portion 47 of the bracket 33 is extended to form a contact receiving portion 48 b that comes into contact with, for example, the main body edge 60 of the main body portion 51 of the garnish 23. You can also.
[0041]
The structure of the garnish 23 can be simplified by integrally providing the contact receiving portion 48b projecting in an appropriate shape such as a plate shape or a boss shape on the bracket 33 side so as to protrude toward the garnish 23 side. In particular, with regard to the resin garnish 23, by reducing the unevenness on the back surface and making the thickness of the main body 51 uniform, the shrinkage (sink) at the time of forming the front side of the main body 51 is suppressed, The appearance can be improved and the quality can be easily improved. Further, in this configuration, an opposing receiving portion having a shape for receiving the protruding contact receiving portion, such as an annular protruding portion, is formed on the garnish 23 side, so that the pressing force can be reliably transmitted.
[0042]
Further, in the above-described embodiment, the opposed receiving portion of the bracket and the contact receiving portion of the garnish are formed in contact with each other, but they are locked so as not to come off, or provided integrally with a bendable hinge portion or the like. It is also possible to adopt a configuration of an attachment point shape to be connected.
[0043]
For example, as shown in FIG. 7, a mounting seat 70 is provided at the distal end of the contact receiving portion 57 of the garnish 23, a clip 71 is mounted on the mounting seat 70, and a clip 71 is mounted on the facing receiving portion 48 of the bracket 33. Can be provided. In the configuration shown in FIG. 7, the clip receiving portion 74 is formed in a step shape protruding in a direction away from the stored airbag 1 to prevent the clip 71 from interfering with the airbag 1.
[0044]
Further, the contact receiving portion such as a boss can be formed separately from both the garnish and the bracket, and can be combined.
[0045]
Further, the bracket is not limited to a configuration made of a metal that can be easily plastically deformed, and may be, for example, a molded product of a synthetic resin. In this configuration, in order to make the rotation of the bracket smooth, the thickness of the bracket attachment portion attached to the inner panel is made smaller than the thickness of the other portions, so that the hinge portion can be easily deformed. it can.
[0046]
Further, the airbag of the present invention is not limited to the configuration in which the airbag is deployed from the upper side to the lower side to cover the side window of the automobile, but may be an appropriate air that needs to be inflated and deployed in a planar shape along a predetermined surface. It can also be applied to a bag device.
[0047]
【The invention's effect】
According to the airbag device of the first aspect, even when the airbag and the cover are separated from each other, when the folded airbag starts to inflate, the pressing force due to the inflation causes the pressure receiving means to press the pressure receiving means. Thus, the airbag can be quickly transmitted to the main body of the covering body, and the main body can be moved, the projecting opening of the airbag can be quickly secured, and the airbag can be quickly deployed along a predetermined surface.
[0048]
According to the airbag device of the second aspect, in addition to the effect of the first aspect, when the folded airbag starts to inflate, the pressing force due to the inflation is applied to the main body of the cover via the press receiving means. The airbag is quickly transmitted, the main body is rotated, the opening of the airbag is quickly secured, and the airbag can be quickly deployed along the inner surface of the vehicle compartment.
[0049]
According to the airbag device of the third aspect, in addition to the effect of the first or second aspect, the bracket having the contact surface portion in which the press receiving means abuts on the folded airbag and covers the airbag in a releasable manner. And a contact receiving portion protruding from the main body of the cover and facing the bracket, and the pressing force due to the inflation of the airbag is transmitted to the cover via the bracket, so that the strength of the bracket is secured more than necessary. It is not necessary, and the manufacturing cost can be reduced. Also, regardless of the shape of the covering, the airbag can be guided by the bracket, and the degree of freedom in designing the covering can be improved.
[0050]
According to the airbag device of the fourth aspect, in addition to the effects of the first or second aspect, in addition to the effect of the first or second aspect, the contact surface portion abuts on the folded airbag and covers the airbag so that the airbag can be opened, and the covering body. It has a bracket with a contact receiving part facing the main body of the airbag, and the pressing force due to the inflation of the airbag is transmitted to the cover through the bracket, so that it is not necessary to secure the strength of the bracket more than necessary, and the manufacturing cost is reduced. Can be reduced. In addition, regardless of the shape of the covering, the airbag is guided by the bracket, and the degree of freedom in designing the covering can be improved. Further, the shape of the cover can be simplified, and the quality can be easily improved.
[0051]
According to the airbag device of the fifth aspect, in addition to the effect of any one of the first to fourth aspects, since the pressing force due to the inflation of the airbag is transmitted to the cover through the bracket, the strength of the bracket is increased more than necessary. It is not necessary to secure the cost, and the manufacturing cost can be reduced. In addition, regardless of the shape of the covering, the airbag is guided by the bracket, and the degree of freedom in designing the covering can be improved. Furthermore, when the airbag is deployed, the bracket rotates about the bracket mounting portion as a fulcrum, and the body edge, which is the free end of the body portion of the rotated cover, is located on the substantially extended guide surface. The airbag can be deployed smoothly without interfering with the covering.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an airbag device according to an embodiment of the present invention, taken along a line II in FIG. 4;
FIG. 2 is an explanatory view when the airbag of the vehicle equipped with the airbag device is stored in the vehicle compartment.
FIG. 3 is an explanatory view of the airbag in an automobile equipped with the airbag device when the airbag is deployed.
FIG. 4 is a side view of a part of the airbag device.
FIG. 5 is a cross-sectional view of a part of the airbag device.
FIG. 6 is a partial sectional view showing another embodiment of the airbag device of the present invention.
FIG. 7 is a partial cross-sectional view showing still another embodiment of the airbag device of the present invention.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 airbag 2 airbag device 4 cabin 8 window 13 a forming predetermined surface inner panel 23 forming vehicle body Garnish 33 as covering body bracket 45 forming press receiving means bracket mounting portion 46 contact surface portion 47 guide surface portion 51 body part 57 contact receiving part 60 body edge

Claims (5)

An airbag that is folded and stored, gas is introduced, and inflates and deploys along a predetermined surface,
A cover provided with a main body that removably covers the airbag,
An airbag device, comprising: a pressure receiving means positioned between the folded airbag and the main body of the covering member, the pressing receiving means being close to and facing the airbag. 2. The airbag device according to claim 1, wherein the airbag is expandably attached to the vehicle body, the body of the cover is rotatably attached to the vehicle body, and the predetermined surface is an inner surface of the vehicle compartment. . The pressure receiving means is provided with a bracket having an abutting surface portion that abuts on the folded airbag and covers the airbag in a releasable manner,
3. The airbag device according to claim 1, further comprising a contact receiving portion protruding from a main body of the covering body and facing the bracket. The pressure receiving means includes a contact surface portion that comes into contact with the folded airbag and covers the airbag in a releasable manner, and a bracket having a contact receiving portion facing the main body of the cover. Item 3. The airbag device according to item 1 or 2. The pressure receiving means includes a bracket having an abutting surface portion that abuts on the folded airbag and covers the airbag so that the airbag can be opened.
When the airbag is deployed, the bracket rotates about the bracket mounting portion as a substantially fulcrum, and a main body edge, which is a free end of the main body portion of the rotated cover, is positioned substantially on an extension of the guide surface portion. The airbag device according to any one of claims 1 to 4, wherein:

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